Available on MPB045VG walkie pallet truck, UL-recognized Lithium-ion Battery Pack is designed to last up to 5 times longer than traditional lead acid batteries, and does not experience negative sulfation effects during short charging and extended storage. Maintenance-free battery has no negative memory effects and can be repeatedly charged to 100% capacity without equalization charge. With 6 in. battery compartment, lithium-ion option reduces overall turning radius of truck.